306 lines
7.5 KiB
C
306 lines
7.5 KiB
C
/*
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This file is part of libcapwap.
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libcapwap is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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libcapwap is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MBAG_H
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#define __MBAG_H
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/**
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* @defgroup MBAG MBAG
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* @{
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*/
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#include <stdint.h>
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#include "mavl.h"
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#include "bstr.h"
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#include "sock.h"
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/* Forward declaration */
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struct mbag_item;
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/**
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* The MBAG Type
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*
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* It's simply an #mavl AVL Tree.
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*/
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typedef mavl_t mbag_t;
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/**
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* Definition for MABG data types
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*/
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struct mbag_typedef{
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/** A human readable name for this type */
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const char *name;
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/** A pointer to a function to delete elements of this type */
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void (*del)(void*);
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/** A pointer to a function to convert elements of this type to a string.
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This function is mainly used to store elements to an SQL database
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or to json strings */
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int (*to_str)(void*,char *dst);
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/** Cereate an item of this type from a string, which was previously
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created by the #del function. */
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struct mbag_item * (*from_str)(const char *src);
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struct mbag_item * (*get)(const uint8_t*src, int len);
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/** A method to put this object to a buffer */
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int (*put)(struct mbag_item *i,uint8_t*dst);
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int (*def)(void *, void *);
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};
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/** The type for an mbag typedef */
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typedef const struct mbag_typedef * mbagtype_t;
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/**
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* The MBAG item
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*/
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struct mbag_item{
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union {
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uint32_t iid;
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/**
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* Key of this item
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*
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* This could be either a string (default) or an integer uint32_t value.
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* If you whant to use with uint32_t keys, use the mbag_i_* functions, to
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* create mbags.
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*/
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const char *id;
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}u1;
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/**
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* Indicates if the key is dynamic oder static.
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* If dynamic, the id will be freed using free,
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* if mbag_item is deleted
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*/
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uint8_t dynid;
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/** Type of this item */
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const struct mbag_typedef * type;
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union {
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/** Value of this item */
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void *data;
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uint8_t byte;
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uint16_t word;
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uint32_t dword;
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}u2;
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};
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typedef struct mbag_item mbag_item_t;
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extern const struct mbag_typedef mbag_type_byte;
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extern const struct mbag_typedef mbag_type_word;
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extern const struct mbag_typedef mtype_dword;
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extern const struct mbag_typedef mbag_type_mbag;
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extern const struct mbag_typedef mbag_type_bstr;
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extern const struct mbag_typedef mbag_type_bstr16;
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extern const struct mbag_typedef mbag_type_str;
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extern const struct mbag_typedef mbag_type_ptr;
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extern const struct mbag_typedef mbag_type_avltree;
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extern const struct mbag_typedef mbag_type_const_data;
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extern const struct mbag_typedef mbag_type_mbag_dyn;
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extern const struct mbag_typedef mbag_type_sockaddr;
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extern const struct mbag_typedef mbag_type_data;
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/**
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*@defgroup MBAG_TYPES MBAG Types
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*@{
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*/
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/** MBAG_BYTE stores one byte */
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#define MBAG_BYTE (&mbag_type_byte)
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/** MBAG_WORD stores one word */
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#define MBAG_WORD (&mbag_type_word)
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/** MTYPE_DWORD stores one dword */
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#define MTYPE_DWORD (&mtype_dword)
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/** MBAG_MBAG stores an MBAG */
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#define MBAG_MBAG (&mbag_type_mbag)
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#define MBAG_MBAG_DYN (&mbag_type_mbag_dyn)
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/**
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* MBAG_BSTR stores a #bstr_t value
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* The to_str converts it either to a readable string
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* if it detects utf8 or to an hex string otherwise
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*/
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#define MBAG_BSTR (&mbag_type_bstr)
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/**
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* MBAG_BSTR16 holds an #bstr16_t value.
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* @see MBAG_BSTR
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*/
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#define MBAG_BSTR16 (&mbag_type_bstr16)
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#define MBAG_DATA (&mbag_type_data)
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#define MBAG_BIN MBAG_DATA
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/** MBAG_STR holds a zero terminated string */
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#define MBAG_STR (&mbag_type_str)
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/**
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* MBAG_PTR holds a pointer to some data.
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* The data will be free'd when the object is destroyed.
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* There is no to_str or from_str method defined.
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*/
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#define MBAG_PTR (&mbag_type_ptr)
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#define MBAG_AVLTREE (&mbag_type_avltree)
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#define MBAG_FUN MBAG_STR
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#define MBAG_CONST_DATA (&mbag_type_const_data)
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/** MBAG_SOCK_ADDR holds a sockkaddr structure */
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#define MBAG_SOCKADDR (&mbag_type_sockaddr)
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/**@}*/
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extern mbag_t mbag_create();
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extern mbag_t mbag_i_create();
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struct mbag_item *mbag_item_create(mbag_t s, const char *id);
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struct mbag_item *mbag_i_item_create(mbag_t s, uint32_t id);
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bstrv_t mbag_set_bstrv(mbag_t s, const char *id, uint32_t vendor_id,
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uint8_t * version, int len);
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int mbag_set_data(mbag_t s, const char *id, const struct mbag_typedef *type, void *data);
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int mbag_set_mbag(mbag_t s, const char *id, mbag_t mbag);
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int mbag_i_set_mbag(mbag_t s, uint32_t id, mbag_t mbag);
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struct mbag_item * mbag_set_dword(mbag_t s, const char *id, uint32_t dword);
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struct mbag_item * mbag_set_word(mbag_t s, const char *id, uint16_t word);
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int mbag_set_byte(mbag_t s, const char *id, uint8_t byte);
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int mbag_set(mbag_t t,mbag_item_t *is);
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mbag_item_t *mbag_item_new(mbagtype_t type);
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#define mbag_set_bstr(m,i,d) mbag_set_data(m,i,MBAG_BSTR,d)
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#define mbag_set_bstr16(m,i,d) mbag_set_data(m,i,MBAG_BSTR16,d)
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void * mbag_get_data(mbag_t s, const char *id, const struct mbag_typedef * type, void * def);
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void mbag_del(mbag_t s,const char *id);
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mbag_item_t *mbag_i_get(mbag_t s, uint32_t id);
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mbag_item_t *mbag_get(mbag_t s, const char *id);
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#define mbag_get_bstr(m,i,d) mbag_get_data(m,i,MBAG_BSTR,d)
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#define mbag_get_bstr16(m,i,d) mbag_get_data(m,i,MBAG_BSTR16,d)
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void * mbag_get_raw(mbag_t s, const char *id, void * def);
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uint8_t mbag_get_byte(mbag_t s, const char *id, uint8_t def);
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uint16_t mbag_get_word(mbag_t s, const char *id, uint16_t def);
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uint32_t mbag_get_dword(mbag_t s, const char *id, uint32_t def);
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mbag_t mbag_i_get_mbag(mbag_t s, uint32_t id, mbag_t def);
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mbag_t mbag_get_mbag(mbag_t s, const char *id, mbag_t def);
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mbag_item_t * mbag_set_bstrn(mbag_t s, const char *id, uint8_t * data, int len);
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struct mavl *mbag_get_mavl(mbag_t s, const char *id);
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int mbag_i_set_mavl(mbag_t s, uint32_t id, mavl_t t);
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int mbag_set_mavl(mbag_t s, const char *id, mavl_t t);
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mavl_t mbag_get_mavl_c(mbag_t s, const char *id,
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mavl_t (creator) ());
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mavl_t mbag_get_mbag_c(mbag_t s, const char *id,
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mavl_t (creator) ());
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int mbag_inc_word(mbag_t s, const char * id,int n);
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mavl_t mbag_i_get_mbag_c(mbag_t s, uint32_t iid,
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mavl_t (creator) ());
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mavl_t mbag_i_get_mavl(mbag_t s, uint32_t id,
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mavl_t (creator) ());
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/** @} */
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char *mbag_get_str(mbag_t s, const char *id, char *def);
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int mbag_set_str(mbag_t s, const char *id, const char *str);
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int mbag_set_sockaddr(mbag_t s, const char *id, const struct sockaddr * sa);
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struct mbag_item_fundef {
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void *(*get) (void *arg);
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void (*free) (void *arg, void *data);
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void *arg;
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};
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void *mbag_item_get_data_ptr(struct mbag_item *item);
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void mbag_item_release_data_ptr(struct mbag_item *item, void *data);
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int mbag_set_strn(mbag_t s, const char *id, const char *str, int n);
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int mbag_set_bstr16n(mbag_t s, const char *id, uint8_t * data, int len);
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mbag_item_t * mbag_set_const_ptr(mbag_t s, const char *id, void *ptr);
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int mbag_set_ptr(mbag_t s, const char *id, void *ptr);
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int mbag_set_fun(mbag_t s, const char *id,
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void *(*funget) (void *arg),
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void (*funfree) (void *arg, void *data), void *arg);
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int mbag_set_from_buf(mbag_t dst, mbagtype_t type, const char *item_id, uint8_t *data, int len);
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/**
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* Delete all objects in ab mbag.
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*
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* @see #mavl_del_all
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*/
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#define mbag_del_all mavl_del_all
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#endif
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